Ranko lived in Tokyo in her youth and worked as a clothing store clerk in a famous fashion building. Eight years ago, she had a shotgun marriage with her husband, who is 10 years older than her. After her husband was transferred, she moved to Fukuoka. She still works as a clothing store clerk in a shop catering to middle-aged women. Since having a child, her intimate life with her husband has decreased, leaving her frustrated. Influenced by her friends and TV, she longs for an affair, but is unable to pursue one and can't suppress her desires...